did-you-kno: Scientists found cosmic dust on city rooftops for the first time. 500 grains of 4.6 billion-year-old cosmic dust were identified after filtering nearly 700 lbs of sludge from gutters in Oslo, Paris, and Berlin. We’ve known since

backstage | bad gifs | spreadeagle

did-you-kno: Scientists found cosmic dust on city rooftops for the first time. 500 grains of 4.6 billion-year-old cosmic dust were identified after filtering nearly 700 lbs of sludge from gutters in Oslo, Paris, and Berlin. We’ve known since

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